*SUPPORT*
IN: fep fep tufa OUT: RED RED RED RED RED RED
IN: kiki tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax OUT: PINK
IN: kiki kiki tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax blicket fep OUT: PINK PINK RED
IN: kiki kiki OUT: YELLOW YELLOW
IN: zup kiki OUT: GREEN YELLOW
IN: dax zup tufa wif zup OUT: GREEN PINK GREEN GREEN GREEN GREEN GREEN
IN: fep fep OUT: RED RED
IN: fep zup tufa OUT: RED GREEN GREEN GREEN GREEN GREEN
IN: zup tufa OUT: GREEN GREEN GREEN GREEN GREEN
IN: kiki OUT: YELLOW
IN: zup OUT: GREEN
IN: fep zup OUT: RED GREEN

*QUERY*
IN: zup zup dax tufa wif kiki OUT: YELLOW GREEN GREEN PINK PINK PINK PINK PINK
IN: fep dax tufa OUT: RED PINK PINK PINK PINK PINK
IN: fep tufa OUT: RED RED RED RED RED
IN: dax blicket fep fep tufa OUT: PINK PINK RED RED RED RED RED RED
IN: fep dax dax OUT: RED PINK PINK
IN: fep tufa wif dax OUT: PINK RED RED RED RED RED
IN: dax dax tufa OUT: PINK PINK PINK PINK PINK PINK
IN: dax tufa OUT: PINK PINK PINK PINK PINK
IN: fep OUT: RED
IN: fep fep blicket dax OUT: RED RED RED RED PINK

*GRAMMAR*
fep -> RED 
 zup -> GREEN 
 dax -> PINK 
 kiki -> YELLOW 
 x1 blicket x2 -> [x1] [x1] [x2] 
 u1 tufa -> [u1] [u1] [u1] [u1] [u1] 
 x1 wif x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 